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Unagiimo Mont Blanc Soft Serve in Togoshi-Ginza — Eel-Fed Sweet Potato Treat

🟢 Great-in-Tokyo — Great experience you can enjoy in Tokyo.

A soft-serve dessert topped with freshly piped Mont Blanc made from “Unagiimo,” a sweet potato grown using compost from eel farms — a unique blend of Japanese eel culture and sustainable farming.

Last updated: 2025-12-05

Unagiimo Mont Blanc sweet potato soft serve at Unagiimo Store in Togoshi-Ginza, Tokyo — tall spiral of sweet potato cream over soft ice cream

Introduction

In Togoshi-Ginza, you’ll find a dessert that combines storytelling, sustainability, and plenty of visual appeal: Unagiimo Mont Blanc Soft-Serve. Unagiimo is a sweet potato grown using compost made from eel production byproducts — a surprisingly eco-friendly cycle created in Shizuoka, Japan’s top eel-producing region.

At the Unagiimo Store, staff pipe the Mont Blanc cream in front of you, forming delicate strands that settle like soft snow over the cold soft-serve. The aroma, the airy texture, and the contrasting temperatures immediately draw you in — it’s a dessert designed for both taste and fun.

What to Try

The signature item is the Unagiimo Mont Blanc Soft-Serve, finished tableside with thin ribbons of Mont Blanc that make it irresistibly photogenic. Freshly piped cream traps air, releasing a gentle sweet-potato aroma that softens the cold bite of the soft-serve for a layered, comforting texture.

Through this playful dessert experience, you also learn the story behind it: Japan’s eel culture × sustainable farming, reborn as an approachable sweet treat.

Tokyo or Trip?

🟢 Great-in-Tokyo — Enjoy a uniquely modern take on Japanese sweet potato culture.

Unagiimo originates from Shizuoka, but its stylish Mont Blanc presentation — freshly piped, soft-serve based, and crafted for street strolling — is very much a Tokyo-style reinvention. Togoshi-Ginza offers the perfect mix of accessibility and atmosphere to enjoy this modern Japanese sweet.

About "Tokyo or Trip?"

This blog explores a simple question for travelers: "Can you find the authentic soul of Japan's regional flavors right here in Tokyo, or does the true experience demand a journey to the source?"

Based in Togoshi-Ginza, I guide you through Japan’s diverse food culture to help you find the best dining option for your itinerary.

Our Rating System:

  • 🟠 Local-First: Best experienced in its home region. Worth a trip.
  • 🟢 Great-in-Tokyo:A nationwide favorite or regional specialty that offers a fully satisfying, authentic experience right here in Tokyo.
  • 🟣 Tokyo-Do-Must: A unique food culture born in or exclusive to Tokyo.

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About "Taste of Japan"

Hello, I'm Yuta.
Born in landlocked Yamanashi and having lived in the gourmet city of Sendai for 10 years, I now call Togoshi-Ginza home. My frequent business trips across Japan allow me to constantly explore the diversity of regional flavors.

Why Togoshi-Ginza?

This street is Tokyo’s longest shopping arcade (about 1.3 km), but it holds a special history. It was the very first street in Japan to adopt the "Ginza" name—a tradition that later spread across the country—after receiving bricks from the famous Ginza district following the 1923 Great Kanto Earthquake.

My Wish as a Local

I am not a culinary expert. However, as a Japanese local who knows both the convenience of Tokyo and the origins of regional food, I want to share the "atmosphere" and "personal feelings" that you won't find in standard guidebooks.

The Concept: "Tokyo or Trip?"

Visiting every region of Japan in a single trip is nearly impossible. Some food experiences are worth the travel to the source, while others offer a fully satisfying experience right here in Tokyo.

This blog is a guide to help you make that choice. Based in Togoshi-Ginza, I share my honest experiences and "my personal answer" to help you maximize your culinary journey in Japan.

Our Rating System:
  • 🟠 Local-First: Best experienced in its home region. Worth a trip.
  • 🟢 Great-in-Tokyo: A nationwide favorite or regional specialty that offers a fully satisfying, authentic experience right here in Tokyo.
  • 🟣 Tokyo-Do-Must: A unique food culture born in or exclusive to Tokyo.
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Location: 日本、〒142-0041 東京都品川区戸越１丁目１７−９ 鈴木ビル 1Ｆ

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